Emergency personnel respond to the scene of a train derailment in Hanford, Calif., Monday, Oct. 1, 2012. Two cars and the locomotive of the train car derailed after colliding with a big rig truck in California's Central Valley, authorities said. At least 20 passengers suffered minor to moderate injuries, authorities said. The crash occurred when the driver of the big rig carrying cotton trash failed to yield and hit the train, authorities said. The impact pushed the two passenger cars and the locomotive off the tracks south of Hanford, a farming town. (AP Photo/Gosia Woznicacka)

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